[klibc] vfork support: need help on arm, parisc, s390

[Heiko Carstens]

On Wed, May 31, 2006 at 12:00:02AM -0700, H. Peter Anvin wrote:
> Hello all,
> 
> I really want to support vfork() in klibc, mostly because uClinux *has*
> to use it.  Unfortunately vfork() isn't allowed to use the stack *at all*
> across the system call -- including return address -- which 
> means it needs an assembly wrapper on most architectures.
> 
> I have tried implementing wrappers for most architectures, but I don't
> know parisc or s390/s390x well enough, and both architectures do seem to
> need it.

Will have a look at s390/s390x but might take a few days since I'm busy
with other stuff right now...